Seiko Cal. 4531 - 973

This Quartz model from 1965 features a 44mm PVD Black case. Powered by the 4531 caliber with 25j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-4e64a760c6e7]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1965

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